Home / 15,209.52-20,988.93-8,495.27

Finding the Fourth Proportional to 15,209.52, 20,988.93 and 8,495.27

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Solution

The fourth proportional to 15,209.52, 20,988.93 and 8,495.27 is: 11,723.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,209.52 : 20,988.93 = 8,495.27 : x
  2. Step 2: Convert to fraction form
    15,209.52/20,988.93 = 8,495.27/x
  3. Step 3: Cross multiply
    15,209.52x = 20,988.93 × 8,495.27
  4. Step 4: Simplify right side
    15,209.52x = 178,306,627.36
  5. Step 5: Solve for x
    x = 178,306,627.36/15,209.52
  6. Step 6: Final answer
    x = 11,723.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.